-8.47% is the change from 307 to 281
Calculation steps:
[( 281 - 307 ) ÷ 307] x 100 = -8.47%
Formula
Percentage change = [(281 - 307) / 307] x 100
Subtract the new number by the original number
281 - 307 = -26
-26 ÷ 307 = -0.08469055374592833
-0.08469055374592833 x 100 = -8.47%